#/bin/bash

# bulk rename files in linux using your favorite editor

result="$(ls)"

out=$(mktemp)

echo "$result" > $out

$EDITOR $out

while IFS= read -r l1 && IFS= read -r l2 <&3; do
	[[ "$l1" != "$l2" ]] && mv $l1 $l2 
done < <(echo "$result") 3< $out